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68825701382 = 2159349215959
BaseRepresentation
bin100000000011001010…
…1001101110000000110
320120122120200220000012
41000012111031300012
52111423334421012
651341301350222
74654364544344
oct1000625156006
9216576626005
1068825701382
1127209350149
1211409708372
13664b0816b9
14348ca96994
151bcc4a0622
hex100654dc06

68825701382 has 8 divisors (see below), whose sum is σ = 103239678000. Its totient is φ = 34412475384.

The previous prime is 68825701333. The next prime is 68825701387. The reversal of 68825701382 is 28310752886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68825701382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68825701387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210719 + ... + 426677.

It is an arithmetic number, because the mean of its divisors is an integer number (12904959750).

Almost surely, 268825701382 is an apocalyptic number.

68825701382 is a deficient number, since it is larger than the sum of its proper divisors (34413976618).

68825701382 is a wasteful number, since it uses less digits than its factorization.

68825701382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375310.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 68825701382 in words is "sixty-eight billion, eight hundred twenty-five million, seven hundred one thousand, three hundred eighty-two".

Divisors: 1 2 159349 215959 318698 431918 34412850691 68825701382